Paraspinal Muscles

**Definition:** Deep muscles in the BACK whose function is to extend and rotate the SPINE and maintain POSTURE. It consists splenius, semispinalis, multifidus, rotatores, interspinales, intertransversarii and sacrospinalis.

**Tree numbers:** - A02.633.567.175.750

**Synonyms:** - Deep Muscles of the Back - Intrinsic Muscles of the Back